Psychometric validation of the Chinese version of the Edmonton-33 scale in patients with head and neck cancer

IF 2.4 3区医学 Q1 NURSING

Asia-Pacific Journal of Oncology Nursing Pub Date : 2025-03-08 DOI:10.1016/j.apjon.2025.100685

Yumin Zhang , Min Zhou , Yu Liu , Li Chen , Sanlan Guo , Lin Zhang

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引用次数: 0

Abstract

Objective

This study aimed to translate the Edmonton-33 scale (E−33) into Chinese and evaluate its reliability and validity in patients with head and neck cancer (HNC).

Methods

In Phase 1, the E−33 was translated from English to Chinese using the Brislin double-back translation method. Content validity was evaluated by a panel of experts, and a pilot test was conducted with a small sample of HNC patients. In Phase 2, a cohort of 510 patients from Henan and Hubei provinces was recruited. Psychometric properties were assessed through item analysis; and reliability testing (including Cronbach's alpha, test-retest reliability, and split-half reliability), as well as construct validity (using exploratory and confirmatory factor analysis).

Results

The item-level content validity index (I–CVI) ranged from 0.833 to 1.000, and the scale-level content validity index (S–CVI/Ave) was 0.965. The Cronbach's alpha, the test-retest reliability coefficient, and the split-half reliability values were 0.922, 0.973, and 0.971, respectively. Four main factors were identified using exploratory factor analysis, explaining 77.07% of the total variance. Confirmatory factor analysis showed good fit indices: χ²/df = 1.626, RMSEA = 0.048, NFI = 0.936, RFI = 0.930, IFI = 0.974, TLI = 0.972, and CFI = 0.974.

Conclusions

The Chinese version of the Edmonton-33 scale (CE-33) demonstrated high reliability and validity, suggesting its potential as a valuable self-report tool for assessing functional outcomes in Chinese-speaking HNC patients.

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中文版埃德蒙顿-33量表在头颈癌患者中的心理测量验证

目的将埃德蒙顿-33量表（E−33）翻译成中文，并评价其在头颈癌（HNC）患者中的信度和效度。方法在第一阶段，采用Brislin双背翻译法将E−33从英文翻译成中文。内容效度由专家小组评估，并在HNC患者的小样本中进行了试点测试。在第二阶段，从河南和湖北两省招募了510名患者。通过项目分析评估心理测量特性；信度检验（包括Cronbach’s alpha、重测信度和分半信度），以及结构效度（使用探索性和验证性因子分析）。结果项目层面的内容效度指数（I-CVI）为0.833 ~ 1.000，量表层面的内容效度指数（S-CVI /Ave）为0.965。Cronbach’s alpha、重测信度系数和劈半信度值分别为0.922、0.973和0.971。探索性因子分析确定了4个主要因素，解释了总方差的77.07%。验证性因素分析显示适合指数:χ2 / df = 1.626, RMSEA = 0.048, NFI = 0.936, RFI = 0.930,如果= 0.974,= 0.972,TLI和CFI = 0.974。结论中文版的埃德蒙顿-33量表（CE-33）具有较高的信度和效度，表明其有潜力作为评估华语HNC患者功能结局的有价值的自我报告工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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